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H1187NLT
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Product Detailed Parameters
- Description：XFRMR MAGNT MOD 1PORT POE 10/100
- Series：-
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Transformer Type：Isolation and Data Interface (Encapsulated)
- Inductance：-
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：-
- Mounting Type：Surface Mount
- Size / Dimension：0.300" L x 0.275" W (7.62mm x 7.00mm)
- Height - Seated (Max)：0.260" (6.60mm)
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
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Overview
The H1187NLT is a single-port audio and signal transformer module designed for 10/100BaseTX Ethernet applications with Power over Ethernet (PoE) support. Manufactured by Pulse Electronics, it features surface mount (SMD/SMT) termination and operates within a frequency range of 100 kHz to 100 MHz. Key electrical parameters include an inductance of 350 uH, a maximum DC resistance of 0.75 Ohms, and an isolation voltage of 1.5 kV. The component supports a dual temperature range from -40°C to +85°C and measures 12.7 mm in length, 9.65 mm in width, and 6 mm in height.
Feature Summary
- Supports Power over Ethernet (PoE) functionality integrated into the 10/100BaseTX signal path
- Provides high insulation isolation capability for network safety
- Designed for compact surface mount assembly on printed circuit boards
Applications
- 10/100BaseTX Ethernet network interfaces
- Power over Ethernet (PoE) powered devices
- Telecommunications equipment requiring signal isolation
Procurement Notes
Verify RoHS compliance status and specific manufacturing lot dates upon order confirmation. Confirm that the requested quantity aligns with standard factory packaging requirements to ensure efficient handling. Check for any recent Product Change Notifications (PCNs) that may affect physical dimensions or material composition before finalizing procurement specifications.
Selection Notes
Select this component when PoE capability is required for 10/100 Mbps Ethernet connections. Ensure the design accommodates the specified SMD footprint and thermal operating range. Compare against non-PoE variants if power delivery is not needed, as those may offer different cost structures or performance characteristics suitable for standard data-only links.
Part Context
This part belongs to the Pulse Electronics Audio & Signal Transformers category, specifically under LAN Transformers. It serves as a critical interface component for maintaining signal integrity while enabling power transmission over twisted pair cabling. The HX series designation indicates its classification within the manufacturer's broader portfolio of telecommunications magnetics.
Replacement Considerations
The HX1188NLT is a documented alternative within the same product family. Note that the HX1188NLT is specified as Non-PoE, whereas the H1187NLT supports PoE. Verify that the removal of PoE functionality does not impact system requirements when considering substitution.
